01 : When running at 600 rpm , a de shunt motor taking an armature current of 60 A from 480 v supply . The armature resistance is 0.28 1. If the flux is suddenly reduced by 8 % , find : the maximum value to which the current increases momentarily and the ratio of the corresponding torque to the initial torque . 01: When running at 600 rpm, a dc shunt motor taking an armature currentof 60 A from 480 v supply. The armature resistance is 0.28 Q. If the flux issuddenly reduced by 8%, find: the maximum value to which the currentincreases momentarily and the ratio of the corresponding torque to theinitial torque.

Due to inertia speed of the motor does not change suddenly. Using the speed constant we will…

Answered: 01: When running at 600 rpm, a dc shunt…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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01 : When running at 600 rpm , a de shunt motor taking an armature current of 60 A from 480 v supply . The armature resistance is 0.28 1. If the flux is suddenly reduced by 8 % , find : the maximum value to which the current increases momentarily and the ratio of the corresponding torque to the initial torque .

01: When running at 600 rpm, a dc shunt motor taking an armature current
of 60 A from 480 v supply. The armature resistance is 0.28 Q. If the flux is
suddenly reduced by 8%, find: the maximum value to which the current
increases momentarily and the ratio of the corresponding torque to the
initial torque.

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